package day09;

public class Demo01 {
	public static void main(String[] args) {
		Single s1 = Single.getInstance();
		System.out.println(s1);

		Single s2 = Single.getInstance();
		System.out.println(s2);

		Single02 s3 = Single02.getInstance();
		System.out.println(s3);

		Single02 s4 = Single02.getInstance();
		System.out.println(s4);
	}
}
